package Thread;


class MyThread extends Thread{
    @Override
    public void run() {
        while(true){
            System.out.println("hello Thread");
            try{
                Thread.sleep(1000);
            }
            catch(InterruptedException e){
                throw new RuntimeException(e);
            }
        }
    }
}
public class Demo1 {
    public static void main(String[] args)throws InterruptedException {
        Thread t=new MyThread();
        t.start();//创建一个线程
        //t.run();
        while(true){
            System.out.println("hello main");
            Thread.sleep(1000);
        }
    }
}
